diff --git a/config/sources/families/k3.conf b/config/sources/families/k3.conf
index b527401a7a..4cff499138 100644
--- a/config/sources/families/k3.conf
+++ b/config/sources/families/k3.conf
@@ -10,6 +10,8 @@
 declare -g ARCH="arm64"
 declare -g LINUXFAMILY="k3"
 
+declare -g ATFBRANCH="tag:v2.10.0"
+
 declare -g BOOTBRANCH="tag:v2023.10-rc3"
 declare -g BOOTSCRIPT="boot-k3.cmd:uEnv.txt"